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MÖssbauer Effect Study of the Absence of Fe Magnetism in Superconducting Sc2Fe3Si5 and Th7Fe3*

Published online by Cambridge University Press:  15 February 2011

J. D. Cashion ,
G. K. Shenoy ,
D. Niarchos ,
P. J. Viccaro  and
Charles M. Falco
J. D. Cashion
Affiliation:
Argonne National Laboratory, Solid State Science Division, Argonne, Illinois 60439
G. K. Shenoy
Affiliation:
Argonne National Laboratory, Solid State Science Division, Argonne, Illinois 60439
P. J. Viccaro
Affiliation:
Argonne National Laboratory, Solid State Science Division, Argonne, Illinois 60439
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Abstract

There are only a few Fe-based compounds which are superconducting since the depairing of Cooper pairs is unavoidable in the presence of an Fe moment. In Sc2Fe3Si5 and Th7Fe3, Mössbauer measurements on 57Fe show that there is no magnetism at the Fe site in either compound. The isomer shift values indicate the reason behind this identical magnetic behavior to be quite different in its electronic origin.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 3: Symposium – Nuclear and Electron Resonance Spectroscopies Applied to Materials Science , 1980 , 315
Copyright
Copyright © Materials Research Society 1981

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Footnotes

†

On leave from the Department of Physics, Monash University, Victoria, Australia.

*

Work supported by the U.S. Department of Energy.

References

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